Patentable/Patents/US-11296640
US-11296640

Motor drive with dynamic interval communication

PublishedApril 5, 2022
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

Control circuitry of a motor drive provides commands for operation of power circuitry in cooperation with peripheral circuits and devices, such as converters, inverters, feedback precharge circuits, feedback devices, interfaces, and so forth. The communications with the devices is handled by fiber optic communications circuitry that implements a flexible scheme of dynamic interval communication depending upon the capabilities and design of the peripheral circuit or device. The communication may be in accordance with a plurality of predetermined schemes, each having different data transfer rates, data allocations, and so forth. The schemes may each set communications protocols (e.g., timing) over a high speed interface between the fiber optic communications circuitry on one side and over fiber optic cables to the peripherals on another side.

Patent Claims
17 claims

Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.

Claim 1

Original Legal Text

1. A system comprising: converter circuitry to convert incoming three-phase power to DC power; inverter circuitry to convert the DC power to three-phase controlled frequency AC power to drive a motor; control circuitry coupled to the inverter circuitry and configured to apply control signals to the inverter circuitry for conversion of the DC power to the controlled frequency AC power; and communications circuitry comprising a bandwidth manager and coupled for data communication between the control circuitry and a plurality of peripheral devices including at least the inverter circuitry, wherein the bandwidth manager of the communications circuitry implements a dynamic interval communications protocol having a plurality of data transfer schemes each having different respective data transfer intervals and data allocations; wherein the data allocation for each respective data transfer scheme comprises unique data transfer and data type specifications including allocations for downstream communications and for upstream communications, allocations for communications between the communications circuitry and the control circuitry; and allocations for communications between the communications circuitry and peripherals; and wherein the bandwidth manager of the communications circuitry is configured to select a different data transfer scheme for different peripheral devices based upon capabilities of each respective peripheral device, wherein the data allocations for each respective data transfer scheme includes time shifting of data allocations in between successive high speed interface lines and fiber optic communications circuitry and between fiber optic communications circuitry and high speed interface lines.

Plain English Translation

This invention relates to a power conversion and control system for motor drives, addressing the challenge of efficiently managing data communication between control circuitry and peripheral devices in industrial motor applications. The system includes converter circuitry to convert three-phase AC power to DC power, inverter circuitry to convert the DC power to controlled-frequency three-phase AC power for driving a motor, and control circuitry that generates control signals for the inverter. A key feature is the communications circuitry, which includes a bandwidth manager that implements a dynamic interval communications protocol. This protocol supports multiple data transfer schemes, each with distinct data transfer intervals and allocations tailored to different communication needs. The data allocations specify unique transfer and data type specifications, including separate allocations for downstream and upstream communications, as well as communications between the control circuitry and peripheral devices. The bandwidth manager dynamically selects the most appropriate data transfer scheme for each peripheral device based on its capabilities, optimizing communication efficiency. Additionally, the system supports time-shifting of data allocations between high-speed interface lines and fiber optic communications, ensuring seamless data transfer across different communication mediums. This approach enhances system flexibility and performance in industrial motor control applications.

Claim 2

Original Legal Text

2. The system of claim 1 , wherein the communications circuitry is fiber optic communications circuitry, and is configured to be coupled to the peripheral devices via respective fiber optic conductors.

Plain English Translation

A system for high-speed data communication between a central processing unit and peripheral devices uses fiber optic communications circuitry to transmit and receive data. The fiber optic circuitry is directly coupled to the peripheral devices via individual fiber optic conductors, enabling high-bandwidth, low-latency communication. This configuration supports rapid data transfer rates and minimizes signal degradation over long distances, addressing limitations of traditional copper-based communication systems. The system may include additional components such as data processing modules, memory interfaces, and control logic to manage data flow between the central processing unit and peripheral devices. The fiber optic conductors provide immunity to electromagnetic interference, ensuring reliable data transmission in environments with high electrical noise. The system is designed for applications requiring high-speed data processing, such as data centers, scientific computing, and real-time analytics, where low-latency and high-bandwidth communication are critical. The use of fiber optic technology enhances performance by reducing signal loss and increasing data throughput compared to conventional wired connections.

Claim 3

Original Legal Text

3. The system of claim 1 , wherein each data transfer scheme comprises timing for transfer of data between the control circuitry and the communications circuitry via high speed interface lines, and then from the communications circuitry to the peripheral devices.

Plain English Translation

This invention relates to a data transfer system designed to optimize communication between control circuitry, communications circuitry, and peripheral devices. The system addresses inefficiencies in data transfer processes, particularly in scenarios where high-speed interfaces are used to relay data between components. The core innovation

Claim 4

Original Legal Text

4. The system of claim 1 , wherein the communications circuitry comprises onboard safety circuitry configured to monitor and control the safety functions of the system.

Plain English Translation

This invention relates to a system for managing safety functions in a communication system. The system includes communications circuitry that is equipped with onboard safety circuitry. The onboard safety circuitry is designed to monitor and control the safety functions of the entire system. This ensures that the system operates within safe parameters, preventing potential hazards or failures. The communications circuitry facilitates data transmission and reception, while the safety circuitry continuously evaluates operational conditions to detect and mitigate risks. The system is particularly useful in environments where reliability and safety are critical, such as industrial automation, transportation, or medical devices. By integrating safety monitoring directly into the communications circuitry, the system reduces the need for external safety mechanisms, improving efficiency and reducing complexity. The onboard safety circuitry may include sensors, processors, and control logic to enforce safety protocols, such as shutting down operations if unsafe conditions are detected. This approach enhances overall system robustness and compliance with safety standards.

Claim 5

Original Legal Text

5. The system of claim 1 , wherein the data transfer schemes comprise three different schemes having different respective data allocations comprising respective different data transfer and data type specifications including allocations for downstream communications and for upstream communications, respective different allocations for communications between the communications circuitry and the control circuitry, and respective different allocations for communications between the communications circuitry and peripherals.

Plain English Translation

This invention relates to a data transfer system designed to optimize communication efficiency in electronic devices by implementing multiple data transfer schemes with distinct data allocations. The system addresses the challenge of managing diverse communication needs within a device, including downstream and upstream data flows, interactions between communications circuitry and control circuitry, and communications between communications circuitry and peripheral devices. The system utilizes three different data transfer schemes, each with unique data allocations tailored to specific communication requirements. These schemes define different data transfer and data type specifications, ensuring efficient handling of various data types and communication directions. By providing specialized allocations for downstream and upstream communications, as well as distinct pathways for communications between the communications circuitry and control circuitry, and between the communications circuitry and peripherals, the system enhances overall data transfer performance and reduces bottlenecks. The invention improves flexibility and efficiency in data management within electronic devices by dynamically adapting to the varying demands of different communication pathways.

Claim 6

Original Legal Text

6. The system of claim 1 , wherein the communications circuitry comprises a plurality of expansion ports.

Plain English Translation

A system for wireless communication includes a base station with communications circuitry that supports multiple expansion ports. The base station is designed to manage wireless data transmission between multiple devices in a network, addressing challenges related to limited connectivity options and scalability in wireless infrastructure. The communications circuitry enables the base station to interface with various external devices or networks through these expansion ports, enhancing flexibility and expandability. Each expansion port allows for the connection of additional modules or peripherals, such as antennas, modems, or other communication interfaces, to extend the system's capabilities. This modular design ensures that the base station can adapt to different network configurations and bandwidth requirements, improving overall network performance and reliability. The system may also include processing circuitry to handle data routing, encryption, and signal processing, ensuring efficient and secure communication across the network. By incorporating multiple expansion ports, the system provides a scalable solution for expanding network coverage and capacity as demand grows.

Claim 7

Original Legal Text

7. The system of claim 6 , wherein each expansion port, in operation, is fitted with an expansion card allowing coupling of additional peripheral devices.

Plain English Translation

The invention relates to a modular computing system designed to enhance expandability and peripheral connectivity. The system includes a base computing unit with multiple expansion ports, each configured to receive an expansion card. These expansion cards enable the coupling of additional peripheral devices, such as storage drives, graphics cards, or network adapters, to the base unit. The expansion ports are standardized to ensure compatibility with various types of expansion cards, allowing users to customize the system's functionality based on their needs. The system may also include a housing that provides structural support and protection for the base unit and connected peripherals. The modular design simplifies upgrades and maintenance, as components can be easily added or replaced without requiring extensive modifications to the system. This approach addresses the limitations of fixed-configuration computing systems by offering flexible scalability and adaptability to different applications.

Claim 8

Original Legal Text

8. A system comprising: converter circuitry to convert incoming three-phase power to DC power; inverter circuitry to convert the DC power to three-phase controlled frequency AC power to drive a motor; control circuitry coupled to the inverter circuitry and configured to apply control signals to the inverter circuitry for conversion of the DC power to the controlled frequency AC power; and fiber optic communications circuitry coupled for data communication between the control circuitry and a plurality of peripheral devices including at least the inverter circuitry, wherein the control circuitry implements a dynamic interval communications protocol having a plurality of data transfer schemes each having different respective data transfer intervals and data allocations; wherein the data allocation for each respective data transfer scheme comprises unique data transfer and data type specifications including allocations for downstream communications and for upstream communications, allocations for communications between the communications circuitry and the control circuitry, and allocations for communications between the communications circuitry and peripherals; and wherein the fiber optic communications circuitry is configured to select a different data transfer scheme for different peripheral devices based upon capabilities of each respective peripheral device, wherein the data allocations for each respective data transfer scheme includes time shifting of data allocations in between successive high speed interface lines and fiber optic communications circuitry and between fiber optic communications circuitry and high speed interface lines.

Plain English Translation

This system relates to power conversion and motor control, specifically addressing the need for efficient and flexible communication between control circuitry and peripheral devices in industrial or motor drive applications. The system converts incoming three-phase AC power to DC power using converter circuitry and then converts the DC power back to three-phase AC power with controlled frequency using inverter circuitry to drive a motor. Control circuitry generates control signals for the inverter to regulate the output frequency and power delivered to the motor. A key feature is the use of fiber optic communications circuitry to facilitate data exchange between the control circuitry and multiple peripheral devices, including the inverter. The system employs a dynamic interval communications protocol that supports multiple data transfer schemes, each with distinct data transfer intervals and allocations. These schemes define unique specifications for data transfer types, including downstream (control to peripheral) and upstream (peripheral to control) communications, as well as interactions between the communications circuitry, control circuitry, and peripherals. The system dynamically selects different data transfer schemes based on the capabilities of each peripheral device, optimizing communication efficiency. Additionally, the protocol includes time-shifting of data allocations between high-speed interface lines and the fiber optic communications circuitry to ensure synchronized and reliable data transmission. This approach enhances flexibility, scalability, and real-time performance in motor control applications.

Claim 9

Original Legal Text

9. The system of claim 8 , wherein the fiber optic communications circuitry is configured to be coupled to the peripheral devices via respective fiber optic conductors.

Plain English Translation

A system for fiber optic communication between a host device and peripheral devices addresses the challenge of high-speed, low-latency data transfer in environments where electromagnetic interference or signal degradation is a concern. The system includes a host device with fiber optic communications circuitry designed to interface with peripheral devices through dedicated fiber optic conductors. These conductors enable high-bandwidth, noise-resistant data transmission, ensuring reliable communication in industrial, medical, or high-performance computing applications. The fiber optic circuitry within the host device is optimized to convert electrical signals to optical signals and vice versa, facilitating seamless integration with peripheral devices that also utilize fiber optic connections. This configuration eliminates the need for traditional copper-based cabling, reducing signal attenuation and interference while supporting higher data rates. The system may include additional components, such as optical transceivers or multiplexers, to manage multiple fiber optic channels efficiently. By leveraging fiber optic technology, the system provides a robust solution for environments requiring high-speed, interference-free data transmission between a host and its peripherals.

Claim 10

Original Legal Text

10. The system of claim 8 , wherein each data transfer scheme comprises timing for transfer of data between the control circuitry and the fiber optic communications circuitry via high speed interface lines, and then from the fiber optic communications circuitry to the peripheral devices via fiber optic conductors.

Plain English Translation

This invention relates to a data transfer system designed to optimize communication between control circuitry and peripheral devices using fiber optic technology. The system addresses the challenge of efficiently transferring data between control circuitry and peripheral devices, particularly in high-speed or high-bandwidth applications where traditional electrical interfaces may be insufficient. The system includes control circuitry that generates or processes data, fiber optic communications circuitry that converts electrical signals to optical signals and vice versa, and peripheral devices that receive or transmit data. The fiber optic communications circuitry is connected to the control circuitry via high-speed interface lines, enabling rapid data exchange. The peripheral devices are connected to the fiber optic communications circuitry via fiber optic conductors, which provide high-speed, low-latency data transmission. Each data transfer scheme within the system defines the timing for transferring data between the control circuitry and the fiber optic communications circuitry, as well as the subsequent transfer from the fiber optic communications circuitry to the peripheral devices. This ensures synchronized and efficient data flow, minimizing delays and maximizing throughput. The system is particularly useful in applications requiring high-speed data processing, such as telecommunications, data centers, or high-performance computing environments.

Claim 11

Original Legal Text

11. The system of claim 8 , wherein the fiber optic communications circuitry comprises onboard safety circuitry configured to monitor and control the safety functions of the system.

Plain English Translation

This invention relates to fiber optic communication systems, specifically addressing the need for enhanced safety monitoring and control within such systems. The system includes fiber optic communications circuitry that integrates onboard safety circuitry to monitor and control safety functions. The onboard safety circuitry is designed to ensure the reliable and secure operation of the fiber optic communication system by continuously monitoring critical parameters and implementing control measures to prevent or mitigate potential hazards. This includes detecting faults, managing power distribution, and enforcing safety protocols to protect both the system and its users. The safety circuitry operates autonomously, reducing the risk of human error and ensuring compliance with safety standards. The system may also include other components such as optical transmitters, receivers, and data processing units, all of which are interconnected to facilitate high-speed data transmission while maintaining robust safety oversight. The onboard safety circuitry enhances the overall reliability and safety of the fiber optic communication system, making it suitable for applications where operational integrity is critical, such as industrial, medical, or aerospace environments.

Claim 12

Original Legal Text

12. The system of claim 8 , wherein the data transfer schemes comprise three different schemes having different respective data allocations comprising respective different data transfer and data type specifications including allocations for downstream communications and for upstream communications, respective different allocations for communications between the communications circuitry and the control circuitry, and respective different allocations for communications between the communications circuitry and peripherals.

Plain English Translation

This invention relates to a data transfer system designed to optimize communication efficiency in electronic devices, particularly those with multiple components requiring coordinated data exchange. The system addresses the challenge of managing diverse data types and transfer requirements across different communication paths, ensuring reliable and efficient data handling. The system includes communications circuitry and control circuitry, each with distinct data transfer needs. To handle these requirements, the system employs three different data transfer schemes, each with unique data allocations tailored to specific communication scenarios. These schemes define different data transfer and data type specifications, ensuring compatibility and performance across various communication paths. One scheme allocates data for downstream communications, where data flows from the control circuitry to the communications circuitry or peripherals. Another scheme handles upstream communications, where data flows in the opposite direction. A third scheme manages communications between the communications circuitry and the control circuitry, while a fourth scheme governs interactions between the communications circuitry and peripherals. Each scheme ensures that data types and transfer specifications are optimized for their respective communication paths, improving overall system efficiency and reliability. The system dynamically selects the appropriate scheme based on the communication requirements, ensuring seamless data exchange across the device.

Claim 13

Original Legal Text

13. The system of claim 8 , wherein the fiber optic communications circuitry comprises a plurality of expansion ports, wherein each expansion port, in operation, is fitted with an expansion card allowing coupling of additional peripheral devices via additional fiber optic conductors.

Plain English Translation

This invention relates to fiber optic communication systems designed to enhance scalability and connectivity. The system addresses the challenge of limited expansion capabilities in traditional fiber optic networks, which often require complex and costly modifications to add new peripheral devices. The core system includes fiber optic communications circuitry that enables high-speed data transmission between devices. A key feature is the inclusion of multiple expansion ports, each configured to receive an expansion card. These expansion cards facilitate the connection of additional peripheral devices through supplementary fiber optic conductors. By integrating expansion cards into the ports, the system allows for modular and flexible expansion without disrupting existing connections or requiring significant hardware upgrades. This design simplifies the addition of new devices, reduces downtime, and lowers maintenance costs. The system is particularly useful in data centers, telecommunications networks, and other environments where scalability and reliability are critical. The use of fiber optic technology ensures high bandwidth and low latency, making it suitable for demanding applications. The modular approach also supports future-proofing, as new expansion cards can be added to accommodate emerging technologies or increased capacity needs.

Claim 14

Original Legal Text

14. A method comprising: converting incoming three-phase power to DC power using converter circuitry; inverting the DC power to three-phase controlled frequency AC power to drive a motor using inverter circuitry; controlling the inverting circuitry via control circuitry; communicating between the control circuitry and peripheral devices including at least the inverter circuitry using fiber optic communications circuitry, wherein the fiber optic communications circuitry implements a dynamic interval communications protocol having a plurality of data transfer schemes each having different respective data transfer intervals and data allocations; wherein the data allocation for each respective data transfer scheme comprises unique data transfer and data type specifications including allocations for downstream communications and for upstream communications, allocations for communications between the communications circuitry and the control circuitry, and allocations for communications between the communications circuitry and peripherals; and wherein the fiber optic communications circuitry is configured to select a different data transfer scheme for different peripheral devices based upon capabilities of each respective peripheral device, wherein the data allocations for each respective data transfer scheme includes time shifting of data allocations in between successive high speed interface lines and fiber optic communications circuitry and between fiber optic communications circuitry and high speed interface lines.

Plain English Translation

This invention relates to a power conversion and control system for driving a motor, with a focus on efficient and flexible fiber optic communication between control and peripheral devices. The system converts incoming three-phase AC power to DC power using converter circuitry, then inverts the DC power back to three-phase AC power at a controlled frequency to drive a motor using inverter circuitry. Control circuitry manages the inversion process, while fiber optic communications circuitry facilitates data exchange between the control circuitry and peripheral devices, including the inverter. The fiber optic communications system employs a dynamic interval protocol with multiple data transfer schemes, each having distinct data transfer intervals and allocations. These schemes define unique specifications for data transfer and types, including separate allocations for downstream and upstream communications, as well as communications between the control circuitry and peripherals. The system dynamically selects the appropriate data transfer scheme based on the capabilities of each peripheral device, optimizing communication efficiency. Additionally, the protocol includes time-shifting of data allocations between high-speed interface lines and the fiber optic circuitry to ensure synchronized and reliable data transmission. This approach enhances system flexibility and performance in industrial motor control applications.

Claim 15

Original Legal Text

15. The method of claim 14 , wherein the fiber optic communications circuitry comprises a plurality of expansion ports, wherein each expansion port, in operation, is fitted with an expansion card allowing coupling of additional peripheral devices via additional fiber optic conductors.

Plain English Translation

This invention relates to fiber optic communications systems designed to enhance scalability and connectivity. The system addresses the challenge of limited expansion capabilities in traditional fiber optic networks, which often require complex and costly modifications to accommodate additional devices. The core technology involves a fiber optic communications circuitry featuring multiple expansion ports. Each port is equipped with an expansion card, enabling the connection of extra peripheral devices through additional fiber optic conductors. This modular design allows for seamless integration of new devices without disrupting existing network operations. The expansion cards serve as interfaces, facilitating data transmission between the main circuitry and the added peripherals. The system ensures high-speed, reliable communication while providing flexibility for future upgrades. By standardizing the expansion ports and cards, the invention simplifies maintenance and reduces downtime. This approach is particularly useful in data centers, telecommunications, and industrial applications where scalability and adaptability are critical. The solution eliminates the need for extensive rewiring or hardware replacements, making it a cost-effective and efficient way to expand network capacity.

Claim 16

Original Legal Text

16. The method of claim 14 , wherein the fiber optic communications circuitry comprises onboard safety circuitry configured to monitor and control the safety functions of the system.

Plain English Translation

A system for fiber optic communications includes circuitry with onboard safety features to monitor and control system safety functions. The fiber optic communications circuitry is designed to transmit and receive optical signals while ensuring operational safety. The onboard safety circuitry continuously monitors the system for potential hazards, such as overheating, electrical faults, or signal degradation, and takes corrective actions to mitigate risks. These actions may include shutting down non-critical components, adjusting power levels, or alerting operators to unsafe conditions. The safety circuitry is integrated directly into the communications circuitry, allowing for real-time monitoring and rapid response to safety threats. This integration ensures that safety functions are prioritized alongside communication performance, reducing the likelihood of system failures or accidents. The system is particularly useful in environments where reliability and safety are critical, such as industrial, medical, or aerospace applications. By embedding safety controls within the communications hardware, the system enhances overall operational integrity and minimizes downtime due to safety-related issues.

Claim 17

Original Legal Text

17. The method of claim 14 , wherein the data transfer schemes comprise three different schemes having different respective data allocations comprising respective different data transfer and data type specifications including allocations for downstream communications and for upstream communications, respective different allocations for communications between the communications circuitry and the control circuitry, and respective different allocations for communications between the communications circuitry and peripherals.

Plain English Translation

This invention relates to data transfer schemes in communication systems, particularly for optimizing data allocation between different components. The problem addressed is the need for flexible and efficient data transfer mechanisms that can handle diverse communication requirements in a system with multiple interconnected components. The invention provides a method for implementing three distinct data transfer schemes, each with unique data allocations tailored to specific communication needs. These schemes define different data transfer and data type specifications, ensuring optimized performance for various communication paths. The allocations include separate configurations for downstream and upstream communications, ensuring efficient bidirectional data flow. Additionally, the schemes specify distinct allocations for communications between communications circuitry and control circuitry, as well as between communications circuitry and peripheral devices. This modular approach allows the system to dynamically adapt to different communication demands, improving overall efficiency and reducing latency. The invention ensures that data transfer is optimized for each type of interaction, whether between high-level control systems, communication modules, or external peripherals.

Classification Codes (CPC)

Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.

Patent Metadata

Filing Date

August 31, 2017

Publication Date

April 5, 2022

Want to explore more patents?

Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.

Citation & reuse

Analysis on this page is generated by Patentable — an AI-powered patent intelligence platform. AI-generated summaries, explanations, FAQs, and analysis may be reused with attribution and a visible link back to the canonical URL below. Patent abstracts and claims are USPTO public domain.

Cite as: Patentable. “Motor drive with dynamic interval communication” (US-11296640). https://patentable.app/patents/US-11296640

© 2026 Nomic Interactive Technology LLC. Machine-readable context available at /api/llm-context/US-11296640. See llms.txt for full attribution policy.